CN103295057A - Easy-to-tear ultrahigh-frequency RFID (radio frequency identification) anti-counterfeit tag and production method thereof - Google Patents
Easy-to-tear ultrahigh-frequency RFID (radio frequency identification) anti-counterfeit tag and production method thereof Download PDFInfo
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- CN103295057A CN103295057A CN2013101727589A CN201310172758A CN103295057A CN 103295057 A CN103295057 A CN 103295057A CN 2013101727589 A CN2013101727589 A CN 2013101727589A CN 201310172758 A CN201310172758 A CN 201310172758A CN 103295057 A CN103295057 A CN 103295057A
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Abstract
The invention discloses an easy-to-tear ultrahigh-frequency RFID (radio frequency identification) anti-counterfeit tag and a production method thereof. The RFID label comprises a panel material (1), an electric chip layer (3), an antenna inductive circuit layer (4), an antenna thin film base material (6), an antenna capacitive circuit layer (8) and a bottom paper layer (10). One surface of the panel material (1) splices on one surface of the electric chip layer (3), the other surface of the electric chip layer (3) recombines with one surface of the antenna inductive circuit layer (4), the other surface of the antenna circuit layer (4) splices on one surface of the antenna thin film base material (6), the other surface of the antenna thin film base material (6) splices on the antenna capacitive circuit layer (8), and the other surface of the antenna capacitive circuit layer (8) spices on the bottom paper layer (10); the antenna inductive circuit layer (4) is electrically connected with the antenna capacitive circuit layer (8). The easy-to-tear ultrahigh-frequency RFID anti-counterfeit tag has wide application prospect in the fields of liquor traceability, tobacco verification, file encryption, ticket security, electric appliance security, smart gasmeters, smart electric meters, logistics inspection and the like.
Description
Technical field
The invention belongs to the technology of Internet of things field, also belong to field of anti-counterfeit technology, be specifically related to a kind of high-frequency RF ID antifalsification label and manufacture method thereof of easily tearing.
Background technology
REID is used radio frequency identification signal object is identified.REID is a kind of technology of built-in radio chip, can store a series of information in the chip.Usually, rfid system is made up of these three major parts of electronic tag, read write line and data management system.
The RFID application is very extensive, in fields such as logistics, retail, manufacturing industry, rag trade, medical treatment, identification, false proof, asset management, traffic, food, animal identification, library, automobile, aviation, military affairs application is arranged all.
Electronic tag is made up of antenna and RFID chip, and each chip contains unique identification code, is used for representing the object that electronic tag is accompanying.The RFID label by RFID antenna packaged chip after the decals printing obtain.The manufacturing of RFID antenna at present mainly contains following several method:
One, wire winding: adopt the copper coil coiling.Shortcoming is the cost height, and speed of production is slow.
Two, laser direct-writing technology: can only draw a design on a small quantity, can't satisfy production in enormous quantities.
Three, Wiring technique: require the material can the ultrasonic probe hot melt.
Four, silk-screen printing technique: advantage is to base material selectivity height; But, adopting conductive silver paste usually, cost is higher and conductivity is limited.
Five, copper plating process: the production line production capacity is had relatively high expectations, and the amount of having only great talent has cost advantage.
Six, die-cutting process: cross cutting mechanical wear and precision control are required than higher, still be in development at present.
Seven, etch process: the production technology that is present main flow.
China Patent No. 201220312800.3 discloses the frangible false proof antenna of a kind of RFID high frequency, though the patented product has its advantage, but it adopts and antenna substrate PET edge is carried out otch obtains groove structure or broached-tooth design and realize frangible function, this mode is difficult to scale of mass production, and can have influence on the outward appearance of antenna tag.
Summary of the invention
For these reasons, the invention discloses a kind of high-frequency RF ID antifalsification label and manufacture method thereof of easily tearing.Fields such as RFID antifalsification label of the present invention is traced to the source at drinks, tobacco checking, file encryption, ticket anti-pseudo, false proof, the intelligent gas meter of electrical equipment, intelligent electric meter, logistics check have broad application prospects.
The present invention takes following technical scheme: easily tear high-frequency RF ID antifalsification label, comprise plane materiel (1), electronic chip layer (3), inductance circuit layer (4), antenna film substrate layer (6), antenna capacitance circuit layer (8), ground paper layer (10), the bonding electronic chip layer of the inside surface of plane materiel (1) (3), the another side combined antenna inductive circuit layer (4) of electronic chip layer (3), the bonding antenna film substrate of the another side layer (6) of inductance circuit layer (4), the bonding antenna capacitance circuit layer of the another side of antenna film substrate layer (6) (8), the bonding ground paper layer of another side (10) of antenna capacitance circuit layer (8); Inductance circuit layer (4) electrically connects with antenna capacitance circuit layer (8).
Preferably, compound plane materiel (1) adopts the tearability excellent material, for example macromolecular material of fragile paper, wafer, destructible, LWC, super inferior paper, newsprint, offset paper, art paper etc., and the thickness of paper substrates is 40～150 μ m.
Preferably, the thickness of plastic film substrate (6) is between 12 μ m～25 μ m.Plastic sheeting moistened surface tension force is 40～55mN/m after the corona treatment.The structure of version line metal pressure roller is that surface engraving has woven design type or patterns such as cruciate flower type or serrate, and version line resolution is 40～120 orders/inch, and the version line degree of depth is 40～90 μ m.The rolling pressure of metal pressure roller and film is 2～7MPa, and speed is 15～50m/min.Prepared plastic sheeting longitudinal tensile strength is not less than 90MPa, and any direction can free-handly be torn.
Preferably, the another side of inductance circuit layer (4) is by first adhesive phase (5) bonding antenna film substrate layer (6), and the another side of antenna film substrate layer (6) is by the bonding antenna capacitance circuit layer of second adhesive phase (7) (8).First adhesive phase (5) and second adhesive phase (7) are two-component polyurethane adhesive, gluing thickness is 1～6 μ m, glue spreader resolution is 100～200 orders/inch, the mesh degree of depth is 20～40 μ m, host: hardening agent: solvent=10:1:6～10:1:25, drying tunnel temperature is 40 ℃～100 ℃, and the curing time is 2～5 days, and curing temperature is 35 ℃～70 ℃.
(high frequency is different with the principle of work of ultrahigh frequency, and the working frequency range of high frequency adopts the inductive coupling mode to obtain energy work at 3～30MHz.The working frequency range of ultrahigh frequency obtains energy work at 300MHz～3GHz by the electromagnetic coupled mode.）
The present invention easily tears the manufacture method of high-frequency RF ID antifalsification label, its basic preparation technology is: thin layer high-temperature resistance plastice film is compound with aluminium foil after easily tearing processing, the binding chip obtains easily to tear the dried Inlay of high-frequency RF ID after the printing etching, obtains easily to tear false proof high-frequency RF ID antifalsification label after encapsulating.The tracking that this label not only the has traditional high-frequency RF ID label function of tracing to the source, and label itself has also possessed the function of easily tearing false proof replacing-proof.The method is low than the technology cost of conductive silver paste ink printing; The antenna fineness that makes simultaneously is also much higher than electrically conductive ink printed with fine degree; Under equal conditions, it is far away to adopt the high-frequency RF ID of the method preparation easily to tear the antifalsification label reading distance.And, but the method make easily tear the advantage that high-frequency RF ID label also has scale of mass production.(annotate: Inlay is the proprietary word of RFID industry, just is called behind the RFID antenna pasting chip to do Inlay, and with the compound Inlay that wets that just is called of facial tissue and the base stock that scribbles hot melt adhesive, printed patterns just can be called label on facial tissue more again.）
The manufacture method that the present invention easily tears high-frequency RF ID antifalsification label is to be raw material with aluminium foil and thin layer high-temperature resistance plastice film, compound with aluminium foil after intensity reduces processing by thin layer high-temperature resistance plastice film, the binding chip obtains easily to tear the dried Inlay of high-frequency RF ID after the printing etching, easily tears high-frequency RF ID antifalsification label through printing encapsulation back acquisition.Concrete steps are as follows:
(1) antenna film substrate layer is carried out intensity and reduce processing;
Preferably, at first thin layer high-temperature resistance plastice film surface coating diglycol is the synthetic polyester of raw material, and corona treatment, reduces the surface strength of plastic sheeting, use version line metal pressure roller that plastic sheeting is carried out roll extrusion then and handle, reduce the tearability of plastic sheeting.The prepared plastic sheeting of easily tearing must have enough longitudinal tensile strength on the one hand, can satisfy the compound stretching requirement of film and aluminium foil, must have good tearability on the other hand, can satisfy free-hand this film of tearing of all directions.
(2) reduce two-sided all clad aluminum foils of the thin layer plastic film substrate layer handled through intensity; Can adopt composite dry process to make composite membrane.
(3) at the aluminium foil of capacitive surface with antiacid etching alkali solubility ink printing antenna capacitance pattern and cross-line pattern, all print antiacid etching alkali solubility printing ink blank on the aluminium foil of inductance face in coil;
(4) be dipped in the acid solution etching, etching solution can be hydrochloric acid, also can be ferric trichloride, phosphoric acid, nitric acid etc.Remove the printing ink of aluminium foil surface with alkaline solution, alkaline solution can be sodium hydroxide solution, sodium carbonate liquor, solution of potassium carbonate etc.; Pass through rolling behind the washing and drying then;
(5) capacitive surface and inductance face are riveted;
(6) packaged chip is namely in the outside surface packaging electronic chip layer of inductance circuit layer;
(7) outside surface of electronic chip layer and fragile paper are compound, and be then that outside surface and the silicone oil base stock of antenna capacitance circuit layer is compound, makes after the cross cutting waste discharge and easily tear high-frequency RF ID antifalsification label.Can use RFID label packaging machine, it is compound, compound with the base stock that scribbles adhesive sticker again with the figuratum facial tissue of printing that gained is done Inlay, prepares and easily tear high-frequency RF ID antifalsification label.
Preferably, the thickness requirement of plastic film substrate is between 12 μ m～25 μ m.Plastic sheeting moistened surface tension force is 40～55mN/m after the corona treatment.The structure of version line metal pressure roller is that surface engraving has woven design type or patterns such as cruciate flower type or serrate, and version line resolution is 40～120 orders/inch, and the version line degree of depth is 40～90 μ m.The rolling pressure of metal pressure roller and film is 2～7MPa, and speed is 15～50m/min.Prepared plastic sheeting longitudinal tensile strength is not less than 90MPa, and any direction can free-handly be torn.
Preferably, first adhesive phase and/or second adhesive phase are two-component polyurethane adhesive, gluing thickness is 1～6 μ m, glue spreader resolution is 100～200 orders/inch, the mesh degree of depth is 20～40 μ m, and host: hardening agent: solvent=10:1:6～10:1:25, drying tunnel temperature are 40 ℃～100 ℃, curing time is 2～5 days, and curing temperature is 35 ℃～70 ℃.
Preferably, compound plane materiel adopts the tearability excellent material, for example macromolecular material of fragile paper, wafer, destructible, LWC, super inferior paper, newsprint, offset paper, art paper etc., and the thickness of paper substrates is 40～150 μ m.
Aluminum foil thickness is usually between 9 μ m to 55 μ m.The volumetric concentration of etching solution is preferably between 5%～40%.Etching speed is preferably between 1～10m/min.
It is raw material that the present invention adopts through intensity processed plastic film, aluminium foil, facial tissue etc., has good easy-to-rupture energy.Its material therefor wide material sources, with low cost.Adopt engraving method can obtain easily to tear the false proof antenna of high-frequency RF ID, antenna makes behind the facial tissue that the compound encapsulation of pasting chip was printed and easily tears high-frequency RF ID antifalsification label.
The present invention easily tears high-frequency RF ID antifalsification label and can be used for technical fields such as drinks is traced to the source, tobacco checking, ticket anti-pseudo, false proof, the intelligent gas meter of electrical equipment, intelligent electric meter, logistics check.
Description of drawings
Fig. 1 is a kind of structural representation that preferably easily tears high-frequency RF ID antifalsification label.
Fig. 2 is the overall craft route map that the present invention easily tears high-frequency RF ID antifalsification label.
Fig. 3 is the synoptic diagram behind the inductance face aluminium foil pattern.
Among the figure: 1-plane materiel, 2-first non-drying glue layer, 3-electronic chip layer, 4-inductance circuit layer, 5-first adhesive phase, 6-antenna film substrate layer, 7-second adhesive phase, 8-antenna capacitance circuit layer, 9-second non-drying glue layer, 10-ground paper layer, 11-be the printing-ink white space not, 12-inductance face circuit printed patterns, 13-inductance face circuit region outside ink coverage areas.
Embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and preferred embodiment.
Referring to Fig. 1, present embodiment easily tears high-frequency RF ID antifalsification label and comprises plane materiel 1, electronic chip layer 3, inductance circuit layer 4, antenna film substrate layer 6, antenna capacitance circuit layer 8, ground paper layer 10, the inside surface of plane materiel 1 is by first non-drying glue layer, 2 bonding electronic chip layers 3, the another side combined antenna inductive circuit layer 4 of electronic chip layer 3, the another side of inductance circuit layer 4 is by first adhesive phase, 5 bonding antenna film substrate layers 6, the another side of antenna film substrate layer 6 is by second adhesive phase, 7 bonding antenna capacitance circuit layers 8, and the another side of antenna capacitance circuit layer 8 is by second non-drying glue layer, 9 bonding ground paper layers 10; Inductance circuit layer 4 conducting with 8 riveted joints of antenna capacitance circuit layer.
Compound plane materiel 1 adopts the tearability excellent material, for example macromolecular material of fragile paper, wafer, destructible, LWC, super inferior paper, newsprint, offset paper, art paper etc., and the thickness of paper substrates is 40～150 μ m.
The thickness of plastic film substrate 6 is between 12 μ m～25 μ m.Plastic sheeting moistened surface tension force is 40～55mN/m after the corona treatment.The structure of version line metal pressure roller is that surface engraving has woven design type or patterns such as cruciate flower type or serrate, and version line resolution is 40～120 orders/inch, and the version line degree of depth is 40～90 μ m.The rolling pressure of metal pressure roller and film is 2～7MPa, and speed is 15～50m/min.Prepared plastic sheeting longitudinal tensile strength is not less than 90MPa, and any direction can free-handly be torn.
First adhesive phase 5 and second adhesive phase 7 are two-component polyurethane adhesive, gluing thickness is 1～6 μ m, glue spreader resolution is 100～200 orders/inch, the mesh degree of depth is 20～40 μ m, host: hardening agent: solvent=10:1:6～10:1:25(volume ratio), drying tunnel temperature is 40 ℃～100 ℃, and the curing time is 2～5 days, and curing temperature is 35 ℃～70 ℃.
As shown in Figure 2, a kind of production process that preferably easily tears high-frequency RF ID antifalsification label is specific as follows described:
(1) adopting thick polyethylene terephthalate (PET) the film surface coating diglycol of 12 μ m is the synthetic polyester of raw material, wetting tension reaches 45mN/m through the corona treatment rear surface, using woven design stencilling line metal pressure roller that plastic sheeting is carried out roll extrusion then handles, version line resolution is 80 orders/inch, and the version line degree of depth is 80 μ m.The rolling pressure of metal pressure roller and film is 5MPa, and speed is 20m/min, reduces the tearability of plastic sheeting, and prepared plastic sheeting 6 longitudinal tensile strength are 125MPa.
(2) it is compound that the PET film substrate 6 after will handling and 55 μ m aluminium foils adopt composite dry process, glue spreader resolution is 180 orders/inch, the mesh degree of depth is 30 μ m, adopt high temperature resistant (180 ℃) two-component adhesive 5 compound, host: hardening agent: solvent=10:1:10(volume ratio), in the present embodiment, host is that ADCOTE502S, hardening agent are that Catalyst F, solvent are ethyl acetate; Drying tunnel temperature is for being followed successively by 50 ℃, and 70 ℃, 90 ℃.Curing time is 4 days, and curing temperature is 50 ℃.
(3) again that another side and the 9 μ m aluminium foils employing composite dry process of PET film substrate 6 is compound, glue spreader resolution is 180 orders/inch, the mesh degree of depth is 30 μ m, adopt high temperature resistant (180 ℃) two-component adhesive 7 compound, host: hardening agent: solvent=10:1:10(volume ratio), in the present embodiment, host is that ADCOTE502S, hardening agent are that Catalyst F, solvent are ethyl acetate; Drying tunnel temperature is for being followed successively by 50 ℃, and 70 ℃, 90 ℃.Curing time is 3 days, and curing temperature is 50 ℃.
(4) according to the used aluminium foil of inductance face than the thick and definite inductance face of capacitive surface aluminium foil and capacitive surface, at the aluminium foil of capacitive surface with antiacid etching alkali solubility ink printing antenna capacitance pattern and cross-line pattern, all print antiacid etching alkali solubility printing ink the blank on the aluminium foil of inductance face in coil, as shown in Figure 3.
(5) to be dipped in concentration be 25% hydrochloric acid solution etching to the clad aluminum foil that will print pattern, is the printing ink that 5% sodium hydroxide solution is removed aluminium foil surface with concentration again, and the control of erosion speed is at 5m/min, passes through rolling behind the washing and drying then.
(6) capacitive surface and inductance face are riveted.(for high frequency antenna, for the plastic material of one deck insulation, the circuit of inductance face and capacitive surface need be coupled together in the middle of inductance face and the capacitive surface, so present embodiment adopts riveting process the line conduction on two sides.）
(7) use electronic tag packaging machine packaged chip, namely in the outside surface packaging electronic chip layer 3 of inductance circuit layer 4.
(8) use RFID label packaging machine with the RFID antenna be electronic chip layer 3 outside surface be printed with pattern and have 300 μ m fragile paper 1 of adhesive sticker 2 compound, then that the outside surface of antenna capacitance circuit layer 8 is compound with the silicone oil base stock 10 that scribbles adhesive sticker 9, after the cross cutting waste discharge, make and easily tear high-frequency RF ID antifalsification label.
The related electronic tag packaging machine of the present invention, RFID label packaging machine etc. all can adopt prior art.
More than the preferred embodiments of the present invention are had been described in detail, for those of ordinary skill in the art, according to thought provided by the invention, the part that on embodiment, can change, and these changes also should be considered as protection scope of the present invention.
Claims (10)
1. easily tear high-frequency RF ID antifalsification label, it is characterized in that comprising plane materiel (1), electronic chip layer (3), inductance circuit layer (4), antenna film substrate (6), antenna capacitance circuit layer (8), ground paper layer (10), the one side of one surperficial bonding electronic chip layer (3) of plane materiel (1), the one side of the another side combined antenna inductive circuit layer (4) of electronic chip layer (3), the one side of the bonding antenna film substrate of the another side of inductance circuit layer (4) (6), the one side of the bonding antenna capacitance circuit layer of the another side of antenna film substrate (6) (8), the bonding ground paper layer of another side (10) of antenna capacitance circuit layer (8); Inductance circuit layer (4) electrically connects with antenna capacitance circuit layer (8).
2. the high-frequency RF ID antifalsification label that easily tears as claimed in claim 1 is characterized in that: macromolecular material, LWC, super inferior paper, newsprint, offset paper or the art paper of plane materiel (1) employing fragile paper, wafer, destructible.
3. the high-frequency RF ID antifalsification label that easily tears as claimed in claim 1 or 2, it is characterized in that: the thickness of plane materiel (1) is 40～150 μ m.
4. the high-frequency RF ID antifalsification label that easily tears as claimed in claim 1, it is characterized in that: the thickness of antenna film substrate (6) is 12 μ m～25 μ m.
5. as claim 1 or the 4 described high-frequency RF ID antifalsification labels that easily tear, it is characterized in that: the another side of inductance circuit layer (4) is by first adhesive phase, 5 bonding antenna film substrates (6), and the another side of antenna film substrate (6) is by the bonding antenna capacitance circuit layer of second adhesive phase (7) (8).
6. manufacture method as easily tearing high-frequency RF ID antifalsification label as described in the claim 1-5, its as follows:
(1) the antenna film substrate is carried out intensity and reduce processing;
(2) reduce two-sided all clad aluminum foils of the thin layer plastic film substrate handled through intensity;
(3) at the aluminium foil of capacitive surface with antiacid etching alkali solubility ink printing antenna capacitance pattern and cross-line pattern, all print antiacid etching alkali solubility printing ink blank on the aluminium foil of inductance face in coil;
(4) be dipped in the acid solution etching, remove the printing ink of aluminium foil surface again with alkaline solution, pass through rolling behind the washing and drying then;
(5) capacitive surface and inductance face are riveted;
(6) packaged chip is namely in the outside surface packaging electronic chip layer of inductance circuit layer;
(7) outside surface of electronic chip layer and fragile paper are compound, and be then that outside surface and the silicone oil base stock of antenna capacitance circuit layer is compound, makes after the cross cutting waste discharge and easily tear high-frequency RF ID antifalsification label.
7. the manufacture method as easily tearing high-frequency RF ID antifalsification label as described in the claim 6, it is characterized in that: (1) step, antenna film substrate laminar surface coating diglycol is the synthetic polyester of raw material, and corona treatment, with version line metal pressure roller antenna film substrate layer is carried out roll extrusion then and handle.
8. the manufacture method as easily tearing high-frequency RF ID antifalsification label as described in the claim 7, it is characterized in that: corona treatment aft antenna film substrate moistened surface tension force is 40～55mN/m.
9. the manufacture method of easily tearing high-frequency RF ID antifalsification label as described in each as claim 6-8, it is characterized in that: in (2) step, the antenna film substrate is two-sided respectively by first adhesive phase, the bonding aluminium foil of second adhesive phase.
10. the manufacture method as easily tearing high-frequency RF ID antifalsification label as described in the claim 9, it is characterized in that: first adhesive phase and/or second adhesive phase are two-component polyurethane adhesive, gluing thickness is 1～6 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310172758.9A CN103295057B (en) | 2013-05-09 | 2013-05-09 | One easily tears high-frequency RF ID antifalsification label and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310172758.9A CN103295057B (en) | 2013-05-09 | 2013-05-09 | One easily tears high-frequency RF ID antifalsification label and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103295057A true CN103295057A (en) | 2013-09-11 |
| CN103295057B CN103295057B (en) | 2015-11-25 |
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| CN201310172758.9A Active CN103295057B (en) | 2013-05-09 | 2013-05-09 | One easily tears high-frequency RF ID antifalsification label and manufacture method thereof |
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| CN105893890A (en) * | 2016-06-13 | 2016-08-24 | 山东泰宝防伪技术产品有限公司 | Production method of paper RFID hot stamping label |
| CN109036100A (en) * | 2017-06-10 | 2018-12-18 | 秦泓怡 | Color-changing anti-counterfeit seal of opposing electricity-stealing with warning function |
| CN109702810A (en) * | 2018-12-25 | 2019-05-03 | 江苏富联通讯技术有限公司 | A kind of cross cutting substrate and die cutting method for RFID antenna production |
| CN109986868A (en) * | 2019-04-16 | 2019-07-09 | 江苏科睿坦电子科技有限公司 | A kind of RFID label antenna peeling force lifting process of polycarbonate film |
| CN110097163A (en) * | 2018-01-31 | 2019-08-06 | 无锡品冠物联科技有限公司 | A kind of frangible electronic tag of RFID tamper-evident and preparation method thereof |
| CN111222617A (en) * | 2019-12-30 | 2020-06-02 | 深圳深汕特别合作区昌茂粘胶新材料有限公司 | Ultrahigh frequency RFID electronic tag and preparation method thereof |
| CN114065892A (en) * | 2021-11-19 | 2022-02-18 | 永道射频技术股份有限公司 | Environment-friendly RFID (radio frequency identification) tag and manufacturing method thereof |
| CN111370845B (en) * | 2020-04-10 | 2024-02-27 | 江苏科睿坦电子科技有限公司 | Novel double-frequency fragile RFID tag antenna and production method thereof |
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| CN111370845B (en) * | 2020-04-10 | 2024-02-27 | 江苏科睿坦电子科技有限公司 | Novel double-frequency fragile RFID tag antenna and production method thereof |
| CN114065892A (en) * | 2021-11-19 | 2022-02-18 | 永道射频技术股份有限公司 | Environment-friendly RFID (radio frequency identification) tag and manufacturing method thereof |
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